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Category : Big Block 413-426-440 (Raised Deck) : Lifters : Flat Tappet
LIGHTWEIGHT TOOL STEEL SOLID LIFTERS
83.5 GRAMS. FLAT TAPPET SOLID W/ EDM HOLE IN BOTTOM OF LIFTER
These tool steel lifters are the most advanced state-of-the-art lifters available for your Chrysler engine.
Weighing in at only 83.5 grams each these are much lighter than stock. The bottom of the lifter features a small EDM'd hole to provide a flow of cool fresh oil right to the lobe of the cam. These tool-steel lifters feature a ground foot with an Rz specification (surface roughness) of 4 microns, and an Ra spec of .08 microns. The Rz refers to a 10-point average of the five highest peaks compared with the five lowest valleys—it defines the depth of a scratch. The Ra (roughness average) refers to the average distance between the peaks and valleys. These are a direct replacement for Schubeck ceramic-foot lifter, and are hardened to 64 Rockwell; that provides the strength and toughness necessary to operate at both higher rpm, and higher spring pressures. Translation: you’re going to be a-ok with the most aggressive of today’s new lobe profiles. Price is per lifter.
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